EP 2562868 A1 20130227 - A multiple-turn loop antenna arrangement and a portable radio communication device comprising such an arrangement
Title (en)
A multiple-turn loop antenna arrangement and a portable radio communication device comprising such an arrangement
Title (de)
Mehrschleifige Rahmenantennenanordnung und tragbare Funkkommunikationsvorrichtung mit solch einer Anordnung
Title (fr)
Agencement d'antenne à boucle à plusieurs tours et dispositif de communication radio portable comportant un tel agencement
Publication
Application
Priority
EP 11178226 A 20110822
Abstract (en)
The present invention relates to a multiple-turn loop antenna arrangement comprising a multiple-turn loop element (1) arranged in a first layer and a ground plane element (2) arranged in a second layer, wherein the first and second layers are arranged in parallel and the multiple-turn loop element (1) is arranged on top of the ground plane element (2), and wherein the ground plane element (2) comprises slots (3, 4; 5) interrupting eddy currents in the ground plane element (2), which would short signals in the multiple-turn loop element (1).
IPC 8 full level
H01Q 1/24 (2006.01); H01Q 1/48 (2006.01); H01Q 7/00 (2006.01)
CPC (source: EP US)
H01Q 1/243 (2013.01 - EP US); H01Q 1/48 (2013.01 - EP US); H01Q 7/00 (2013.01 - EP US)
Citation (search report)
- [Y] US 2011130102 A1 20110602 - NISHIZONO MITSUHIRO [JP], et al
- [Y] US 2009201116 A1 20090813 - ORIHARA KATSUHISA [JP]
- [A] WO 2011036962 A1 20110331 - MURATA MANUFACTURING CO [JP], et al
- [A] JP 2003331250 A 20031121 - MITSUBISHI MATERIALS CORP
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 11178226 A 20110822; US 201213589226 A 20120820